解决了,不需要学会驱动,参考了winddk的范例以后,网上下一个stmcdc.inf文件在[DriverInstall.nt.AddReg]和[DriverInstall.NTamd64.AddReg]末尾加上HKR,"Parameters","MaximumTransferSize",0xFFFF,65535,然后再在设备管理器里选手动更新,选择inf文件就好了
inf 全部代码
;------------------------------------------------------------------------------
; STMicroelectronics Comunication Device Class driver (CDC) INF FILE
; (C)2009 Copyright STMicroelectronics
;------------------------------------------------------------------------------
[Version]
Signature="$Windows NT$"
Class=Ports
ClassGuid={4D36E978-E325-11CE-BFC1-08002BE10318}
Provider=%MANUFACTURER%
LayoutFile=layout.inf
;CatalogFile=%FILENAME%.cat
DriverVer= 9/20/2011,1.4.1
[Manufacturer]
%MANUFACTURER%=DeviceList,NTamd64
[DestinationDirs]
DefaultDestDir=12
;------------------------------------------------------------------------------
; Windows 2000/XP/Vista32 Support
;------------------------------------------------------------------------------
[DriverInstall.nt]
include=mdmcpq.inf
CopyFiles=DriverCopyFiles.nt
AddReg=DriverInstall.nt.AddReg
[DriverCopyFiles.nt]
usbser.sys,,,0x20
[DriverInstall.nt.AddReg]
HKR,,DevLoader,,*ntkern
HKR,,NTMPDriver,,%DRIVERFILENAME%.sys
HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
HKR,"Parameters","MaximumTransferSize",0xFFFF,65535
[DriverInstall.nt.Services]
AddService=usbser, 0x00000002, DriverService.nt
[DriverService.nt]
DisplayName=%SERVICE%
ServiceType=1
StartType=3
ErrorControl=1
ServiceBinary=%12%\%DRIVERFILENAME%.sys
;------------------------------------------------------------------------------
; Windows Vista64 Support
;------------------------------------------------------------------------------
[DriverInstall.NTamd64]
include=mdmcpq.inf
CopyFiles=DriverCopyFiles.NTamd64
AddReg=DriverInstall.NTamd64.AddReg
[DriverCopyFiles.NTamd64]
%DRIVERFILENAME%.sys,,,0x20
[DriverInstall.NTamd64.AddReg]
HKR,,DevLoader,,*ntkern
HKR,,NTMPDriver,,%DRIVERFILENAME%.sys
HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
HKR,"Parameters","MaximumTransferSize",0xFFFF,65535
[DriverInstall.NTamd64.Services]
AddService=usbser, 0x00000002, DriverService.NTamd64
[DriverService.NTamd64]
DisplayName=%SERVICE%
ServiceType=1
StartType=3
ErrorControl=1
ServiceBinary=%12%\%DRIVERFILENAME%.sys
;------------------------------------------------------------------------------
; VID/PID Settings
;------------------------------------------------------------------------------
[SourceDisksFiles]
[SourceDisksNames]
[DeviceList]
%DESCRIPTION%=DriverInstall,USB\VID_0483&PID_5740
[DeviceList.NTamd64]
%DESCRIPTION%=DriverInstall,USB\VID_0483&PID_5740
;------------------------------------------------------------------------------
; String Definitions
;------------------------------------------------------------------------------
[Strings]
FILENAME="ST_Virtual"
DRIVERFILENAME ="usbser"
MANUFACTURER="STMicroelectronics"
INSTDISK="CDC_DISK"
DESCRIPTION="STM Virtual COM Port"
SERVICE="Virtual Com Driver"
结合链接里的东西,传输速度可以到达1m/s左右,比原来的20kb好太多了
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